USPS: Battle of the bulge – Cracking Down on Flat Rate Envelopes

It’s that time of year again. Q4 is upon us and shipping is at an all time high. Many sellers use Priority Mail Flat Rate Envelopes to save on their shipping expenses.

The United States Postal Service is cracking down on bulging Priority Mail Flat Rate Envelopes. Any F Re’s that are bulging or have altered the envelope itself are being charged at the regular Priority Mail rate.


To avoid having your customer receive your item with Postage Due, make sure you are only placing a single piece of tape on the seams of the envelope. Anything extremely taped or bulging will be considered altered and will be charged at the regular Priority Mail rate.

Happy shipping this holiday season!

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